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Finding the Fourth Proportional to 339,656.09, 468,605.88 and 203,734.04

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Solution

The fourth proportional to 339,656.09, 468,605.88 and 203,734.04 is: 281,081.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,656.09 : 468,605.88 = 203,734.04 : x
  2. Step 2: Convert to fraction form
    339,656.09/468,605.88 = 203,734.04/x
  3. Step 3: Cross multiply
    339,656.09x = 468,605.88 × 203,734.04
  4. Step 4: Simplify right side
    339,656.09x = 95,470,966,757.13
  5. Step 5: Solve for x
    x = 95,470,966,757.13/339,656.09
  6. Step 6: Final answer
    x = 281,081.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.